212022430202057 has 2 divisors, whose sum is σ = 212022430202058. Its totient is φ = 212022430202056.

The previous prime is 212022430201943. The next prime is 212022430202113. The reversal of 212022430202057 is 750202034220212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182254887032761 + 29767543169296 = 13500181^2 + 5455964^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022430202057 - 2¹⁰ = 212022430201033 is a prime.

It is a super-2 number, since 2×212022430202057² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212022430202657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011215101028 + 106011215101029.

It is an arithmetic number, because the mean of its divisors is an integer number (106011215101029).

Almost surely, 2^{212022430202057} is an apocalyptic number.

It is an amenable number.

212022430202057 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022430202057 is an equidigital number, since it uses as much as digits as its factorization.

212022430202057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 212022430202057 its reverse (750202034220212), we get a palindrome (962224464422269).

The spelling of 212022430202057 in words is "two hundred twelve trillion, twenty-two billion, four hundred thirty million, two hundred two thousand, fifty-seven".